CN106515428A - Air inlet grille control method and device and engine management system - Google Patents

Air inlet grille control method and device and engine management system Download PDF

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Publication number
CN106515428A
CN106515428A CN201610957858.6A CN201610957858A CN106515428A CN 106515428 A CN106515428 A CN 106515428A CN 201610957858 A CN201610957858 A CN 201610957858A CN 106515428 A CN106515428 A CN 106515428A
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CN
China
Prior art keywords
motor
current
air
inlet grille
target aperture
Prior art date
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Granted
Application number
CN201610957858.6A
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Chinese (zh)
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CN106515428B (en
Inventor
张林晖
白振霄
赖开昌
曾志新
张安伟
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN201610957858.6A priority Critical patent/CN106515428B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00Arrangement in connection with cooling of propulsion units
    • B60K11/08Air inlets for cooling; Shutters or blinds therefor
    • B60K11/085Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0232Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88Optimized components or subsystems, e.g. lighting, actively controlled glasses

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The invention relates to an air inlet grille control method and device and an engine management system. The air inlet grille control method comprises the steps that the current operation conditions of a vehicle are obtained, wherein the current operation conditions comprise the first current temperature of cooling liquid, the current vehicle speed, the current duty ratio of a pulse width modulation fan, the current on-off status of a fan and the current exhaust temperature; the target opening degree of an air inlet grille is determined according to the obtained current operation conditions of the vehicle and the unit angle, wherein the unit angle is the angle of each preset equally-divided part of the included angle between the minimum position when a motor is turned off and the maximum position when the motor is turned on; and the determined target opening degree of the air inlet grille is sent to the motor so as to enable the motor to adjust the opening degree of the air inlet grille according the received target opening degree. By adoption of the air inlet grille control method and device and the engine management system, the dynamic property and the fuel economy performance of the whole vehicle can be improved, and carbon emission is reduced.

Description

The control method of air-inlet grille, device and engine management system
Technical field
The present invention relates to automobile technical field, more particularly to a kind of control method of air-inlet grille, device and electromotor Management system.
Background technology
Air-inlet grille also known as automobile front face, funny face and water tank hood etc..Air-inlet grille is the important of automotive front moulding Ingredient, affects the design style of car load, while for the perflation ventilation of water tank, electromotor and air-conditioning etc., preventing traveling Middle exotic is to the destruction of interior part and attractive in appearance shows individual character.
With constantly riseing for oil price, fuel-economizing has become current automotive industry, one common topic of automobile consumer, And various fuel-saving techniques are also to emerge in an endless stream and constantly improving.The factor of automobile fuel ecomomy is affected to have a lot, such as Grid aperture of air-inlet grille etc..But in conventional art, the aperture of the air-inlet grille of vehicle is typically fixed, and there is vehicle oil consumption Amount is big, the low defect of fuel economy.
The content of the invention
Based on this, it is necessary to for the problems referred to above, there is provided a kind of control method of air-inlet grille, device and engine management System, can effectively reduce vehicle oil consumption amount, improve the fuel economy of car load.
In order to achieve the above object, the technical scheme that the present invention takes is as follows:
A kind of control method of air-inlet grille, including step:
Obtain the current operating condition of vehicle, the current operating condition of the vehicle include coolant the first Current Temperatures, when Front speed, the current duty cycle of pulse-width modulated fan, the current switch states of fan and current exhaust gas temperature;
The current operating condition of vehicle and unit angle according to getting determines the target aperture of air-inlet grille, the list It is every that parallactic angle degree is that the angle between the maximum position that minimum position when motor cuts out and motor are opened is divided into the timesharing such as default A angle;
The target aperture of the air-inlet grille for determining is sent to the motor, so that the motor is according to the mesh for receiving Mark aperture is adjusted to the aperture of the air-inlet grille.
A kind of control device of air-inlet grille, including:
Operating condition acquisition module, for obtaining the current operating condition of vehicle, the current operating condition of the vehicle includes cold But the first Current Temperatures of liquid, current vehicle speed, the current duty cycle of pulse-width modulated fan, the current switch states of fan and work as Front exhaust temperature;
Target aperture obtains module, for determining air inlet according to the current operating condition of vehicle and unit angle that get The target aperture of grid, the unit angle are between the maximum position that minimum position when motor cuts out and motor are opened Angle is divided into the default angle for waiting each part of timesharing;
Target aperture sending module, for the target aperture of the air-inlet grille for determining is sent to the motor, so that described Motor is adjusted to the aperture of the air-inlet grille according to the target aperture for receiving.
A kind of engine management system, including the control device of described air-inlet grille.
The control method of above-mentioned air-inlet grille, device and engine management system, it is considered to the temperature of coolant, speed, arteries and veins The impact to the aperture of air-inlet grille such as the wide dutycycle for modulating fan, the on off state of fan and delivery temperature, according to car Operating condition controls suitable air-inlet grille aperture, to adjust into enging cabin cooling air quantity, so as to accelerate vehicle warming-up Speed, reduces car load windage, saves oil consumption, improves car load power performance and the economy performance, reduces carbon emission.
Description of the drawings
Fig. 1 is the schematic flow sheet of the control method of the air-inlet grille of an embodiment;
Fig. 2 is the schematic diagram that the target aperture of the air-inlet grille of an embodiment determines method;
Fig. 3 is the schematic diagram that the target aperture of the air-inlet grille of another embodiment determines method;
Fig. 4 is the schematic diagram of the motor control software with motor communication of a specific embodiment;
Fig. 5 is the schematic diagram of the motor control software workflow of a specific embodiment;
Fig. 6 is the structural representation of the control device of the air-inlet grille of an embodiment;
Fig. 7 is the structural representation that the target aperture of an embodiment obtains module;
Fig. 8 is the structural representation of the target aperture determining unit of an embodiment.
Specific embodiment
It is further to illustrate the effect of the technological means taken of the invention and acquirement, below in conjunction with the accompanying drawings and preferably real Example is applied, to technical scheme, clear and complete description is carried out.
As shown in figure 1, a kind of control method of air-inlet grille, including step:
S110, the current operating condition of vehicle is obtained, the current operating condition of the vehicle includes the first current temperature of coolant Degree, current vehicle speed, the current duty cycle of pulse-width modulated fan, the current switch states of fan and current exhaust gas temperature;
S120, the target aperture that air-inlet grille is determined according to the current operating condition of vehicle and unit angle for getting, The unit angle is that the angle between the maximum position that minimum position when motor cuts out and motor are opened is divided into default etc. Timesharing is per a angle;
S130, the target aperture that the air-inlet grille for determining is sent to the motor, so that the motor is according to receiving The target aperture is adjusted to the aperture of the air-inlet grille.
By corresponding motor control program, the present embodiment can realize that motor control program is integrated into EMS (engine tubes Reason system) in, independent motor control is adopted compared to the relevant programme being adjusted to air-inlet grille aperture in prior art Device needs extra control hardware, and the present invention does not need extra control hardware, thus reduces cost, is convenient to different automobile types In applied.
Active air-inlet grille AGS (Active Grille Shutter) is an emerging fuel-saving technique in recent years, and it has Standby advantage of lower cost, the characteristics of oil-saving effect is obvious.The present invention provides a kind of controlling party of new active air-inlet grille Method, for a better understanding of the present invention, is described in detail to the specific implementation process of each step below.
In step s 110, in the running conditions of vehicle and vehicle travel process when running conditions of vehicle includes cold start Running conditions of vehicle etc..The aperture of air-inlet grille affect the temperature of engine coolant, car load windage performance, heat pump performance and Enging cabin parts temperature etc., it is therefore desirable to consider impact of each parameter to the aperture of air-inlet grille.But due to each There is coupled relation between parameter, in order to reduce staking-out work during real steering vectors, priority division is carried out to each parameter, emphatically Consider impact of the key parameter to air-inlet grille aperture.The key parameter that the present invention considers includes the cooling in running conditions of vehicle The temperature of liquid, speed, the dutycycle of pulse-width modulated fan, the on off state of fan and delivery temperature etc..
Obtain temperature, speed, the dutycycle of pulse-width modulated fan, the on off state of fan and the delivery temperature of coolant Can be being realized according to existing mode in prior art etc. parameter.Vehicle starts to the process of this stopping once to drive from this Sail circulation.When on vehicle, electricity initially enters driving cycle, motor used by control grid carries out first time initialization, for the first time After initialization success, you can to obtain the current operating condition of vehicle.In the subsequent process of this driving cycle, if received The initialization requests that motor sends, then carry out motor initialization again, after this initialization success can obtain vehicle Current operating condition.In the subsequent process of this driving cycle, if being not received by the initialization requests of motor transmission, The current operating condition of vehicle being obtained in real time, or obtaining the current operating condition of vehicle at interval of a period of time, the present invention is simultaneously Restriction is not made to this.
In the step s 120, by initializing to motor, it is possible to when determining the maximum position of motor opening and closing Then angle between maximum position and minimum position is divided into default decile by minimum position, and such as 100 deciles can then be obtained Obtain unit angle.For example, the angle between maximum position and minimum position is 90 degree, is divided into 100 deciles by 90 degree, then unit angle Degree is 0.9 degree.
When on vehicle, electricity initially enters driving cycle, motor used by control grid carries out first time initialization, first After secondary initialization success, the minimum position when maximum position opened according to motor and motor are closed obtains unit angle and deposits Storage.In the subsequent process of driving cycle, if receiving the initialization requests of motor transmission, motor is carried out again initial Change, the minimum position when maximum position opened according to motor again and motor are closed obtains new unit angle and stores, Using new unit angle when determining the target aperture of air-inlet grille.In the subsequent process of driving cycle, if do not received To the initialization requests that motor sends, then it is determined that air-inlet grille target aperture when can directly using initializing for the first time when The unit angle of acquisition.
Many kinds are had according to the mode that the current operating condition of vehicle obtains air-inlet grille target aperture, for example, in a reality Apply in example, as shown in Fig. 2 determining that the target of air-inlet grille is opened according to the current operating condition of vehicle and unit angle for getting The step of spending can include:
The target aperture of S1201, air-inlet grille according to corresponding to default coolant temperature and speed, obtains coolant The first Current Temperatures and current vehicle speed corresponding to air-inlet grille first object aperture;
The corresponding relation of both coolant temperature and speed and the target aperture of air-inlet grille is pre-set, i.e., For example, as shown in table 1, it is Target aperture corresponding to coolant temperature and speed.As can be seen from Table 1:When coolant temperature is T1 and speed is V1, The target aperture of air-inlet grille is O1;When coolant temperature is T2 and speed is V2, the target aperture of air-inlet grille is O2;……;When coolant temperature is Tn and speed is Vn, the target aperture of air-inlet grille is On.Recorded according to the table 1 Multigroup corresponding relation, you can to find the target aperture corresponding to both first Current Temperatures and current vehicle speed of coolant. For example, the first Current Temperatures of coolant are T2, and current vehicle speed is V2, then can find first object aperture according to table 1 For O2.
Target aperture corresponding to 1 coolant temperature of table and speed
Coolant temperature Speed The target aperture of air-inlet grille
T1 V1 O1
T2 V2 O2
…… …… ……
Tn Vn On
Although it should be noted that both the above-mentioned coolant temperature of example in table form and speed and air-inlet grille The corresponding relation of target aperture, but the present invention is not limited to form, can be recording cold with the other forms outside form But the corresponding relation of both liquid temp and speed and the target aperture of air-inlet grille.
In addition, when both first Current Temperatures and current vehicle speed by coolant determine first object aperture, if root According to the corresponding relation that pre-sets search less than the coolant temperature consistent with the first Current Temperatures of coolant and/or with it is current The consistent speed of speed, then using coolant temperature during Select Error minimum as the first Current Temperatures of coolant, and/or can select Select error it is minimum when speed as current vehicle speed, it is then determined that corresponding first object aperture.
The target of S1202, air-inlet grille according to corresponding to the dutycycle and speed of default pulsewidth modulation (PWM) fan Aperture, obtains the second target aperture of the air-inlet grille corresponding to the current duty cycle and current vehicle speed of pulse-width modulated fan;
The corresponding relation of both dutycycle and speed of pulse-width modulated fan and the target aperture of air-inlet grille is pre-set, I.e. For example, as shown in table 2, be pulse-width modulated fan dutycycle and speed corresponding to target aperture.As can be seen from Table 2: When the dutycycle of pulse-width modulated fan is DR1 and speed is V1, the target aperture of air-inlet grille is O1;In pulse-width modulated fan When dutycycle is DR2 and speed is V2, the target aperture of air-inlet grille is O2;……;In the dutycycle of pulse-width modulated fan it is When DRn and speed are Vn, the target aperture of air-inlet grille is On.According to multigroup corresponding relation that the table 2 is recorded, you can to look into Find the target aperture corresponding to both current duty cycle and current vehicle speed of pulse-width modulated fan.For example, pulse-width modulated fan Current duty cycle be DR2, current vehicle speed is V2, then can find the second target aperture for O2 according to table 2.
Target aperture corresponding to the dutycycle and speed of 2 pulse-width modulated fan of table
The dutycycle of pulse-width modulated fan Speed The target aperture of air-inlet grille
DR1 V1 O1
DR2 V2 O2
…… …… ……
DRn Vn On
Although it should be noted that both dutycycle and speed of the above-mentioned pulse-width modulated fan of example in table form with The corresponding relation of the target aperture of air-inlet grille, but the present invention is not limited to form, can be with other outside form The corresponding relation of both dutycycle and speed of form record pulse-width modulated fan with the target aperture of air-inlet grille.
In addition, when both current duty cycles and current vehicle speed by pulse-width modulated fan determine the second target aperture, such as Fruit is searched less than the pulse-width modulated fan consistent with the current duty cycle of pulse-width modulated fan according to the corresponding relation for pre-setting Dutycycle and/or the speed consistent with current vehicle speed, then can with Select Error when minimum the duty of pulse-width modulated fan be compared to For the current duty cycle of pulse-width modulated fan, and/or Select Error it is minimum when speed as current vehicle speed, it is then determined that corresponding Second target aperture.
S1203, selected from the first object aperture and the second target aperture according to the current switch states of fan A target aperture is taken, using the target aperture chosen as the 3rd target aperture;
In one embodiment, according to the current switch states of fan from the first object aperture and second target A step of target aperture is chosen in aperture can include:
If the current switch states of fan are closed mode, the first object aperture is chosen;
If the current switch states of fan are open mode, the second target aperture is chosen.
The target aperture of S1204, air-inlet grille according to corresponding to default delivery temperature and speed, obtains current exhaust The 4th target aperture corresponding to temperature and current vehicle speed;
The corresponding relation of both delivery temperature and speed and the target aperture of air-inlet grille is pre-set, i.e., For example, as shown in table 3, it is aerofluxuss Target aperture corresponding to temperature and speed.As can be seen from Table 3:When delivery temperature is t1 and speed is v1, air-inlet grille Target aperture be O1;When delivery temperature is t2 and speed is v2, the target aperture of air-inlet grille is O2;……;In aerofluxuss When temperature is tn and speed is vn, the target aperture of air-inlet grille is On.According to multigroup corresponding relation that the table 3 is recorded, i.e., The target aperture corresponding to both current exhaust gas temperature and current vehicle speed can be found.For example, current exhaust gas temperature is t2, when Front speed is v2, then can find the 4th target aperture for O2 according to table 3.
Target aperture corresponding to 3 delivery temperature of table and speed
The dutycycle of pulse-width modulated fan Speed The target aperture of air-inlet grille
t1 v1 O1
t2 v2 O2
…… …… ……
tn vn On
Although it should be noted that the mesh of both the above-mentioned temperature of exemplary exhaust in table form and speed with air-inlet grille The corresponding relation of mark aperture, but the present invention is not limited to form, can be with the other forms record aerofluxuss outside form The corresponding relation of both temperature and speed and the target aperture of air-inlet grille.
In addition, when the 4th target aperture is determined by both current exhaust gas temperature and current vehicle speed, if according to setting in advance The corresponding relation put is searched less than the delivery temperature consistent with current exhaust gas temperature and/or the speed consistent with current vehicle speed, then Can using Select Error it is minimum when delivery temperature as current exhaust gas temperature, and/or Select Error it is minimum when speed as current vehicle Speed, it is then determined that corresponding 4th target aperture.
S1205, choose maximum from the 3rd target aperture and the 4th target aperture, according to the maximum chosen The product of value and unit angle determines the target aperture of air-inlet grille.
In order to obtain the target aperture of air-inlet grille more particularly suitable under different vehicle operating condition, fuel oil is further improved Economy, can also be modified to the maximum chosen.So, in one embodiment, as shown in figure 3, the vehicle is worked as Front operating condition can also include current intake air temperature and/or current oil temperature;According to the maximum and unit angle chosen Product can include the step of determine the target aperture of air-inlet grille:
S1205a, the correction factor according to corresponding to default intake air temperature and/or oil temperature, are currently entered temperature Degree and/or current correction factor corresponding to oil temperature;
S1205b, the maximum chosen is modified according to the correction factor for obtaining, according to revised maximum and The product of unit angle determines the target aperture of air-inlet grille;
If only obtaining the correction factor corresponding to current intake air temperature, by the correction factor and the maximum phase chosen Take advantage of, so as to the maximum to choosing is modified.If only obtaining the correction factor corresponding to current oil temperature, this is repaiied Positive coefficient is multiplied with the maximum chosen, so as to the maximum to choosing is modified.If it is right to obtain current intake air temperature institute Correction factor corresponding to the correction factor answered and current oil temperature, then by two correction factors with choose maximum Value is multiplied, so as to the maximum to choosing is modified.Revised maximum is multiplied with unit angle and can be entered The target aperture of gas grid.
The target aperture of the air-inlet grille in running conditions of vehicle corresponding to parameters, Yi Jijin are found for convenience Temperature degree and the corresponding correction factor of oil temperature etc., can arrange demarcation form.The demarcation form is stored with each coolant The mesh of the air-inlet grille corresponding respectively such as temperature, each speed, the dutycycle of each pulse-width modulated fan, each delivery temperature Mark aperture, and the correction factor corresponding to each intake air temperature and/or the correction factor corresponding to each oil temperature etc..Under The process obtained in the face of demarcating form is simply introduced.
(1) determine choice of electrical machine:Motor be adjust air-inlet grille aperture actuator, different motors, the opering characteristic of electric apparatus Variant, control mode also can be variant, it is necessary first to determines the communication matrix of choice of electrical machine, i.e. motor, the communication square of motor Battle array can be provided by motor supplier.It is as shown in table 4 below, it is the specific embodiment of motor communication matrix.The communication square of the motor Battle array includes 3 control signals and 13 motor feedback signals.
The specific embodiment of 4 power communication matrix of table
(2) motor control software is developed according to motor characteristic:Motor is set up in EMS Software Development Platform ASCET environment Control software, and emulated, the basic control algolithm of air-inlet grille aperture such as Fig. 2 or as shown in Figure 3.According to such as Fig. 2 or When person's algorithm as shown in Figure 3 sets up motor control software, the corresponding air-inlet grille of parameters for demarcating charting is opened Spend the initial value arranged for user.As shown in figure 4, the motor control software set up is communicated by LIN agreements with motor, electricity Three control signals are sent to motor by machine control software, and motor sends feedback signal to motor control software.
(3) motor control software is integrated in EMS:Using motor control software as a sub- Module-embedding in EMS.
(4) real steering vectors:EMS softwares containing motor control module are write with a brush dipped in Chinese ink to ECU (Electronic Control Unit, vehicle-mounted computer) in, different external environment conditions and running conditions of vehicle are then simulated, functional test is carried out, is surveyed according to function The result of examination carries out staking-out work to the scalar quantity (initial value that user is arranged) demarcated in form of step (2), obtains final Demarcation form.
In step s 130, according to motor communication matrix defined in control signal title and type etc., for example, The target aperture of the air-inlet grille of determination is sent to motor by EMS_TargetPosReq_1.Motor receives the target aperture Afterwards, the aperture of air-inlet grille is moved to into target location.
The larger situation of the situation and windage that are frozen in view of air-inlet grille, invention also defines different moments of torsion Pattern, the different motor output torque of different torque mode correspondences.In one embodiment, according to moment of torsion from small to large suitable Sequence, the torque mode of definition are followed successively by low twisting die formula, normal torque mode, the first increasing twisting die formula and second and increase twisting die formula.Four kinds The output torque of torque mode can be arranged according to actual needs, and for example, the corresponding motor output torque of low twisting die formula is 1.2Nm (cattle rice), the corresponding motor output torque of normal torque mode are 1.75Nm, and first increases the corresponding motor output of twisting die formula turns round Square is 2.0Nm, and the corresponding motor output torque of the second increasing twisting die formula is 2.4Nm.Increase twisting die formula and mainly tackle air-inlet grille quilt The larger situation of windage in the situation and vehicle travel process of frost, can be to air-inlet grille by increasing motor output torque Opened ice, while when windage is larger, can be more convenient air-inlet grille aperture rapidly by increasing motor output torque It is adjusted to target location.
When after driving cycle starts needing motor to initialize, in order to tackle the demand that opens ice being likely to occur, in a reality Apply in example, the control method of the air-inlet grille can also include step:Send out during electricity or the motor is received on vehicle During the initialization requests sent, the second Current Temperatures of coolant are obtained;Motor is determined according to the second Current Temperatures of coolant Torque mode;The torque mode of the motor of determination and motor initialization command are sent to into the motor.
Initialization is the basis that motor runs well.During electricity or in the initialization for receiving the motor transmission on vehicle During request, motor control software can send motor initialization command to motor, carry out motor initialization.If in initialization procedure Middle motor breaks down, or motor breaks down when the aperture to air-inlet grille is adjusted, such as AGS_Sta_ Overtravel, AGS_Sta_Blockage failure etc., such as motor feedback initial reguirements, AGS_CalibRequired, electricity Machine control software re-emits initialization command according to the initial reguirements for receiving, and motor re-starts initialization, until just Begin chemical conversion work(, and motor runs well.
The temperature of coolant is lower, then select the torque mode corresponding to bigger motor output torque, so as to possible The air-inlet grille being frozen quickly is opened ice.So, in one embodiment, determined according to the second Current Temperatures of coolant The step of torque mode of motor, includes:
If the second Current Temperatures of coolant are more than or equal to the first threshold temperature, determine that the torque mode of motor is low twisting die Formula;
If the second Current Temperatures of coolant are more than or equal to second temperature threshold values less than the first threshold temperature, motor is determined Torque mode is normal torque mode;
If the second Current Temperatures of coolant are more than or equal to the 3rd threshold temperature less than second temperature threshold values, motor is determined Torque mode is the first increasing twisting die formula;
If the second Current Temperatures of coolant are less than the 3rd threshold temperature, determine that the torque mode of motor is the second increasing twisting die Formula.
When vehicle is in transport condition, due to square being directly proportional for windage and speed, speed is bigger, and windage is bigger, is The aperture of quick adjustment air-inlet grille, needs bigger motor output torque.So, in one embodiment, to the electricity Before machine sends the target aperture of the air-inlet grille for determining, also including step:The torque mode of motor is determined according to current vehicle speed. When sending the target aperture of the air-inlet grille for determining to the motor, also include:The torsion of the motor for determining is sent to the motor Square pattern.
In one embodiment, the step of torque mode of motor is determined according to current vehicle speed can include:
If current vehicle speed is less than or equal to the first speed threshold values, determine that the torque mode of motor is low twisting die formula;
If current vehicle speed is less than or equal to the second speed threshold values more than the first speed threshold values, determine the torque mode of motor for just Normal torque mode;
If current vehicle speed is less than or equal to the 3rd speed threshold values more than the second speed threshold values, the torque mode of motor is determined for the One increases twisting die formula;
If current vehicle speed is more than the 3rd speed threshold values, determine that the torque mode of motor is the second increasing twisting die formula, wherein according to Moment of torsion order from small to large is followed successively by low twisting die formula, normal torque mode, the first increasing twisting die formula and second and increases twisting die formula.
In the above-described embodiments, the water temperature threshold values and speed threshold values of controlled motor torque mode can obtain calibration scale Obtain during lattice.In addition, above-mentioned be only illustrated to four kinds of torque modes of motor, but the present invention is not restricted to above-mentioned four kinds Torque mode, for example, normal torque mode can cover most of operating mode, therefore when selecting normal torque mode to export for acquiescence, Only can arrange normal torque mode, first increase twisting die formula and second increase twisting die formula, only can also arrange normal torque mode and First increases twisting die formula etc..
In order to be better understood from the present invention, the work of motor control software of the present invention is illustrated with reference to a specific embodiment Make flow process.
As shown in figure 5, the control system of the EMS at motor control software place starts rear work into driving cycle from vehicle Make.Motor initialization is carried out first, what control system was determined by motor initialization command and according to the Current Temperatures of coolant The torque mode of motor is sent to motor, for example, be sent to EMS_AutoCalibReq_1 and EMS_TorqueBoostReq_1 Motor, motor are initialized, if motor feedback failure in initialization procedure, motor can feed back initial reguirements, and request is again Secondary initialization, the now torsion of the motor that control system can be determined by motor initialization command and according to the Current Temperatures of coolant Square pattern is sent to motor again, and motor is initialized again, circulates successively, until motor no longer feeds back failure, initially Change is completed.After motor completes initialization, control system can calculate the mesh of air-inlet grille according to the current operating condition of vehicle Then the torque mode of the target aperture and electrode of air-inlet grille is sent to motor by the torque mode of mark aperture and motor, EMS_TargetPosReq_1 and EMS_TorqueBoostReq_1 are sent to into motor for example, motor receives air-inlet grille After the torque mode of target aperture and motor, if currently without failure, the aperture of air-inlet grille can be moved according to order To target aperture, if occurring electrical fault in course of action, action terminates, and now motor can feed back initial reguirements, then Control system sends the torque mode of initialization command and motor according to this request, and initialization is re-started to motor.So Reciprocation cycle, after driving cycle terminates, each parameter reset, the aperture of air-inlet grille return to initial position, and wait is driven next time Sail the beginning of circulation.
Based on same inventive concept, the present invention also provides a kind of control device of air-inlet grille, below in conjunction with the accompanying drawings to this The specific embodiment of invention device is described in detail.
As shown in fig. 6, a kind of control device of air-inlet grille, it is characterised in that include:
Operating condition acquisition module 110, for obtaining the current operating condition of vehicle, the current operating condition of the vehicle includes First Current Temperatures of coolant, current vehicle speed, the current duty cycle of pulse-width modulated fan, the current switch states of fan and Current exhaust gas temperature;
Target aperture obtains module 120, for being determined according to the current operating condition of vehicle and unit angle that get The target aperture of air-inlet grille, the unit angle be the maximum position opened of minimum position when motor cuts out and motor it Between angle be divided into the default angle for waiting each part of timesharing;
Target aperture sending module 130, for the target aperture of the air-inlet grille for determining is sent to the motor, so that institute State motor to be adjusted the aperture of the air-inlet grille according to the target aperture for receiving.
The control device of the present embodiment air-inlet grille is desirably integrated in EMS, compared in prior art to air-inlet grille The relevant programme that aperture is adjusted needs extra control hardware using independent electric machine controller, and the present invention need not be extra Control hardware, thus reduce cost, applied in being convenient to different automobile types.
For a better understanding of the present invention, below the function of modules is described in detail.
The aperture of air-inlet grille affects temperature, car load windage performance, heat pump performance and the enging cabin of engine coolant Parts temperature etc., it is therefore desirable to consider impact of each parameter to the aperture of air-inlet grille.But due between each parameter There is coupled relation, in order to reduce staking-out work during real steering vectors, priority division is carried out to each parameter, consider emphatically crucial Impact of the parameter to air-inlet grille aperture.The key parameter that the present invention considers includes the temperature of the coolant in running conditions of vehicle Degree, speed, the dutycycle of pulse-width modulated fan, the on off state of fan and delivery temperature etc..
Operating condition acquisition module 110 obtains the temperature of coolant, speed, the dutycycle of pulse-width modulated fan, fan The parameter such as on off state and delivery temperature can be realizing according to existing mode in prior art.Vehicle starts to this from this The process of secondary stopping is a driving cycle.When on vehicle, electricity initially enters driving cycle, motor used by control grid is carried out Initialize for the first time, after first time initialization success, operating condition acquisition module 110 can obtain vehicle and currently run work Condition.In the subsequent process of this driving cycle, if receiving the initialization requests of motor transmission, motor is carried out again Initialization, after this initialization success, operating condition acquisition module 110 can obtain the current operating condition of vehicle.At this In the subsequent process of driving cycle, if being not received by the initialization requests of motor transmission, operating condition acquisition module 110 The current operating condition of vehicle being obtained in real time, or obtaining the current operating condition of vehicle at interval of a period of time, the present invention is simultaneously Restriction is not made to this.
By initializing to motor, it is possible to minimum position when determining the maximum position of motor opening and closing, then Angle between maximum position and minimum position is divided into into default decile, such as 100 deciles can then obtain unit angle.
When on vehicle, electricity initially enters driving cycle, motor used by control grid carries out first time initialization, first After secondary initialization success, the minimum position when maximum position opened according to motor and motor are closed obtains unit angle and deposits Storage.In the subsequent process of driving cycle, if receiving the initialization requests of motor transmission, motor is carried out again initial Change, the minimum position when maximum position opened according to motor again and motor are closed obtains new unit angle and stores, Using new unit angle when determining the target aperture of air-inlet grille.In the subsequent process of driving cycle, if do not received To the initialization requests that motor sends, then it is determined that air-inlet grille target aperture when can directly using initializing for the first time when The unit angle of acquisition.
Target aperture obtains module 120 to be had very according to the mode that the current operating condition of vehicle obtains air-inlet grille target aperture It is various, for example, in one embodiment, as shown in fig. 7, the target aperture obtains module 120 can include:
First object aperture obtaining unit 1201, for the air inlet grille according to corresponding to default coolant temperature and speed The target aperture of grid, the first object for obtaining the air-inlet grille corresponding to first Current Temperatures and current vehicle speed of coolant are opened Degree;
Second target aperture obtaining unit 1202 is right for the dutycycle according to default pulse-width modulated fan and speed institute The target aperture of the air-inlet grille answered, obtains the air-inlet grille corresponding to the current duty cycle and current vehicle speed of pulse-width modulated fan The second target aperture;
3rd target aperture obtaining unit 1203, for the current switch states according to fan from the first object aperture With in the second target aperture choose a target aperture, using choose target aperture as the 3rd target aperture;
In one embodiment, the 3rd target aperture obtaining unit 1203 is closed mode in the current switch states of fan When, choose the first object aperture;When the current switch states of fan are open mode, choose second target and open Degree.
4th target aperture obtaining unit 1204, for the air-inlet grille according to corresponding to default delivery temperature and speed Target aperture, obtain current exhaust gas temperature and the 4th target aperture corresponding to current vehicle speed;
Target aperture determining unit 1205, for choosing most from the 3rd target aperture and the 4th target aperture It is big to be worth, the target aperture of air-inlet grille is determined according to the product of the maximum and unit angle chosen.
In order to obtain the target aperture of air-inlet grille more particularly suitable under different vehicle operating condition, fuel oil is further improved Economy, can also be modified to the maximum chosen.So, in one embodiment, as shown in figure 8, the vehicle is worked as Front operating condition can also include current intake air temperature and/or current oil temperature;Target aperture determining unit 1205 can be wrapped Include:
Correction factor obtains subelement 1205a, the amendment system according to corresponding to default intake air temperature and/or oil temperature Number, the correction factor corresponding to the current intake air temperature of acquisition and/or current oil temperature;
Target aperture obtains subelement 1205b, the maximum chosen is modified according to the correction factor for obtaining, according to The product of revised maximum and unit angle determines the target aperture of air-inlet grille;
If correction factor acquisition subelement 1205a only obtains the correction factor corresponding to current intake air temperature, target Aperture obtains subelement 1205b and the correction factor is multiplied with the maximum chosen, so as to the maximum to choosing is modified. If correction factor acquisition subelement 1205a only obtains the correction factor corresponding to current oil temperature, target aperture is obtained The correction factor is multiplied by subelement 1205b with the maximum chosen, so as to the maximum to choosing is modified.If amendment Coefficient obtains subelement 1205a and obtains repairing corresponding to correction factor and current oil temperature corresponding to current intake air temperature Positive coefficient, then target aperture obtain subelement 1205b by two correction factors with choose maximum is multiplied, so as to select The maximum for taking is modified.Target aperture obtains subelement 1205b and revised maximum is multiplied with unit angle To obtain the target aperture of air-inlet grille.
The target aperture of the air-inlet grille in running conditions of vehicle corresponding to parameters, Yi Jijin are found for convenience Temperature degree and the corresponding correction factor of oil temperature etc., can arrange demarcation form.The demarcation form is stored with each coolant The mesh of the air-inlet grille corresponding respectively such as temperature, each speed, the dutycycle of each pulse-width modulated fan, each delivery temperature Mark aperture, and the correction factor corresponding to each intake air temperature and/or the correction factor corresponding to each oil temperature etc..
Target aperture sending module 130 according to motor communication matrix defined in control signal title and type etc., For example, the target aperture of the air-inlet grille of determination is sent to motor by EMS_TargetPosReq_1.Motor receives the target After aperture, the aperture of air-inlet grille is moved to into target location.
The larger situation of the situation and windage that are frozen in view of air-inlet grille, invention also defines different moments of torsion Pattern, the different motor output torque of different torque mode correspondences.In one embodiment, according to moment of torsion from small to large suitable Sequence, the torque mode of definition are followed successively by low twisting die formula, normal torque mode, the first increasing twisting die formula and second and increase twisting die formula.Four kinds The output torque of torque mode can be arranged according to actual needs.Increase twisting die formula and mainly tackle the situation that air-inlet grille is frozen And the larger situation of windage in vehicle travel process, air-inlet grille can be opened ice by increasing motor output torque, Simultaneously when windage is larger, can be more convenient air-inlet grille aperture is adjusted to target rapidly by increasing motor output torque Position.
When after driving cycle starts needing motor to initialize, in order to tackle the demand that opens ice being likely to occur, in a reality Apply in example, the control device of the air-inlet grille can also include:Second Current Temperatures acquisition module 140, in vehicle When electric or when the initialization requests that the motor sends are received, the second Current Temperatures of coolant are obtained;First moment of torsion mould Formula determining module 150, for the torque mode of motor is determined according to the second Current Temperatures of coolant;Torque mode and initialization Order sending module 160, for the torque mode of the motor of determination and motor initialization command are sent to the motor.
The temperature of coolant is lower, then the first torque mode determining module 150 selects bigger motor output torque institute right The torque mode answered, so as to the air-inlet grille to being frozen quickly opens ice.So, it is in one embodiment, described First torque mode determining module 150 determines motor when the second Current Temperatures of coolant are more than or equal to the first threshold temperature Torque mode be low twisting die formula;It is more than or equal to second temperature valve less than the first threshold temperature in the second Current Temperatures of coolant During value, determine that the torque mode of motor is normal torque mode;Second temperature threshold values is less than in the second Current Temperatures of coolant During more than or equal to three threshold temperatures, determine that the torque mode of motor is the first increasing twisting die formula;In the second current temperature of coolant When degree is less than three threshold temperatures, determine that the torque mode of motor is the second increasing twisting die formula.
When vehicle is in transport condition, due to square being directly proportional for windage and speed, speed is bigger, and windage is bigger, is The aperture of quick adjustment air-inlet grille, needs bigger motor output torque.So, in one embodiment, the air inlet The control device of grid can also include the second torque mode determining module 170, and the second torque mode determining module 170 is used In the torque mode that motor is determined according to current vehicle speed.Target aperture sending module 130 sends the air inlet for determining to the motor During the target aperture of grid, it is additionally operable to send motor that the second torque mode determining module 170 determines to the motor Torque mode.
In one embodiment, the second torque mode determining module 170 is less than or equal to the first speed in current vehicle speed During threshold values, determine that the torque mode of motor is low twisting die formula;Second car is less than or equal to more than the first speed threshold values in current vehicle speed During fast threshold values, determine that the torque mode of motor is normal torque mode;It is less than or equal to more than the second speed threshold values in current vehicle speed During the 3rd speed threshold values, determine that the torque mode of motor is the first increasing twisting die formula;It is more than the 3rd speed threshold values in current vehicle speed, really The torque mode for determining motor is the second increasing twisting die formula.Speed is higher, and windage is bigger, then select corresponding to larger motor output torque Torque mode, so that the aperture of air-inlet grille is adjusted to relevant position more easily.
In the above-described embodiments, the water temperature threshold values and speed threshold values of controlled motor torque mode can obtain calibration scale Obtain during lattice.In addition, above-mentioned be only illustrated to four kinds of torque modes of motor, but the present invention is not restricted to above-mentioned four kinds Torque mode, for example, normal torque mode can cover most of operating mode, therefore when selecting normal torque mode to export for acquiescence, Only can arrange normal torque mode, first increase twisting die formula and second increase twisting die formula, only can also arrange normal torque mode and First increases twisting die formula etc..
The present invention also provides a kind of engine management system, and the engine management system includes above-mentioned any one enforcement The control device of the air-inlet grille described in example.Need to adopt when air-inlet grille aperture is adjusted compared in prior art Independent electric machine controller and the extra control hardware of needs, the present invention are integrated into the control device of air-inlet grille in EMS, no Extra control hardware is needed, thus reduces cost, applied in being convenient to different automobile types.
The present invention can change the aperture of the air-inlet grille under different vehicle operating condition, adjust into enging cabin and cool down Air quantity, when cold start, changes the aperture of air-inlet grille by the current operating condition of vehicle, when can shorten engine warm-up Between, the carbon emission in warming-up process is reduced, car load power performance and the economy performance is improved, when in vehicle travel process, by car Current operating condition changes the aperture of air-inlet grille, can reduce the interior circulation resistance in vehicle travel process, improve car load Power performance and the economy performance, reduces the carbon emission in vehicle travel process.In addition, invention also contemplates that vehicle is in different works The torque mode of motor used by grid is controlled under condition such that it is able to successfully manage situation and vehicle row that air-inlet grille is frozen Cross the larger situation of windage in journey.
Each technical characteristic of embodiment described above arbitrarily can be combined, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and Therefore can not be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art comes Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.

Claims (10)

1. a kind of control method of air-inlet grille, it is characterised in that including step:
Obtain the current operating condition of vehicle, the current operating condition of the vehicle includes the first Current Temperatures of coolant, current vehicle Speed, the current duty cycle of pulse-width modulated fan, the current switch states of fan and current exhaust gas temperature;
The current operating condition of vehicle and unit angle according to getting determines the target aperture of air-inlet grille, the unit angle Degree is that the angle between the maximum position that minimum position when motor cuts out and motor are opened is divided into each part of timesharing such as default Angle;
The target aperture of the air-inlet grille for determining is sent to the motor, so that the motor is opened according to the target for receiving Spend the aperture to the air-inlet grille to be adjusted.
2. the control method of air-inlet grille according to claim 1, it is characterised in that the vehicle according to getting currently is transported The step of row operating mode and unit angle determine the target aperture of air-inlet grille includes:
The target aperture of the air-inlet grille according to corresponding to default coolant temperature and speed, obtain coolant first are current The first object aperture of the air-inlet grille corresponding to temperature and current vehicle speed;
The target aperture of the air-inlet grille according to corresponding to the dutycycle and speed of default pulse-width modulated fan, obtains pulsewidth and adjusts Second target aperture of the air-inlet grille corresponding to the current duty cycle and current vehicle speed of fan processed;
A target is chosen from the first object aperture and the second target aperture according to the current switch states of fan Aperture, using the target aperture chosen as the 3rd target aperture;
The target aperture of the air-inlet grille according to corresponding to default delivery temperature and speed, obtains current exhaust gas temperature and current The 4th target aperture corresponding to speed;
Maximum is chosen from the 3rd target aperture and the 4th target aperture, according to the maximum and unit angle chosen The product of degree determines the target aperture of air-inlet grille.
3. the control method of air-inlet grille according to claim 2, it is characterised in that the current operating condition of the vehicle is also Including current intake air temperature and/or current oil temperature;Air inlet grille is determined according to the product of the maximum and unit angle chosen The step of target aperture of grid, includes:
Correction factor according to corresponding to default intake air temperature and/or oil temperature, obtains current intake air temperature and/or current Correction factor corresponding to oil temperature;
The maximum chosen is modified according to the correction factor for obtaining, according to taking advantage of for revised maximum and unit angle Product determines the target aperture of air-inlet grille.
4. the control method of air-inlet grille according to claim 2, it is characterised in that according to the current switch states of fan A step of target aperture is chosen from the first object aperture and the second target aperture includes:
If the current switch states of fan are closed mode, the first object aperture is chosen;
If the current switch states of fan are open mode, the second target aperture is chosen.
5. the control method of the air-inlet grille according to Claims 1-4 any one, it is characterised in that
Also include step:
On vehicle during electricity or when the initialization requests that the motor sends are received, the second current temperature of coolant is obtained Degree;
The torque mode of motor is determined according to the second Current Temperatures of coolant;
The torque mode of the motor of determination and motor initialization command are sent to into the motor;
Wherein, the step of determining the torque mode of motor according to the second Current Temperatures of coolant includes:
If the second Current Temperatures of coolant are more than or equal to the first threshold temperature, determine that the torque mode of motor is low twisting die formula;
If the second Current Temperatures of coolant are more than or equal to second temperature threshold values less than the first threshold temperature, the moment of torsion of motor is determined Pattern is normal torque mode;
If the second Current Temperatures of coolant are more than or equal to the 3rd threshold temperature less than second temperature threshold values, the moment of torsion of motor is determined Pattern is the first increasing twisting die formula;
If the second Current Temperatures of coolant are less than the 3rd threshold temperature, determine that the torque mode of motor is the second increasing twisting die formula, Order wherein according to moment of torsion from small to large is followed successively by low twisting die formula, normal torque mode, the first increasing twisting die formula and second and increases torsion Pattern.
6. the control method of the air-inlet grille according to Claims 1-4 any one, it is characterised in that
Before the target aperture of the air-inlet grille for determining is sent to the motor, also including step:Electricity is determined according to current vehicle speed The torque mode of machine, including:
If current vehicle speed is less than or equal to the first speed threshold values, determine that the torque mode of motor is low twisting die formula;
If current vehicle speed is less than or equal to the second speed threshold values more than the first speed threshold values, determine that the torque mode of motor is normal torsion Square pattern;
If current vehicle speed is less than or equal to the 3rd speed threshold values more than the second speed threshold values, determine that the torque mode of motor increases for first Twisting die formula;
If current vehicle speed is more than the 3rd speed threshold values, determine that the torque mode of motor is the second increasing twisting die formula, wherein according to moment of torsion Order from small to large is followed successively by low twisting die formula, normal torque mode, the first increasing twisting die formula and second and increases twisting die formula;
When sending the target aperture of the air-inlet grille for determining to the motor, also include:The motor for determining is sent to the motor Torque mode.
7. a kind of control device of air-inlet grille, it is characterised in that include:
Operating condition acquisition module, for obtaining the current operating condition of vehicle, the current operating condition of the vehicle includes coolant The first Current Temperatures, current vehicle speed, the current duty cycle of pulse-width modulated fan, the current switch states of fan and when front row Temperature degree;
Target aperture obtains module, for determining air-inlet grille according to the current operating condition of vehicle and unit angle that get Target aperture, the unit angle is the angle between the maximum position that minimum position when motor cuts out and motor are opened It is divided into the default angle for waiting each part of timesharing;
Target aperture sending module, for the target aperture of the air-inlet grille for determining is sent to the motor, so that the motor The target aperture according to receiving is adjusted to the aperture of the air-inlet grille.
8. the control device of air-inlet grille according to claim 7, it is characterised in that the target aperture obtains module bag Include:
First object aperture obtaining unit, for the target of the air-inlet grille according to corresponding to default coolant temperature and speed Aperture, obtains the first object aperture of the air-inlet grille corresponding to first Current Temperatures and current vehicle speed of coolant;
Second target aperture obtaining unit, for the air inlet corresponding to the dutycycle and speed according to default pulse-width modulated fan The target aperture of grid, obtains the second mesh of the air-inlet grille corresponding to the current duty cycle and current vehicle speed of pulse-width modulated fan Mark aperture;
3rd target aperture obtaining unit, for the current switch states according to fan from the first object aperture and described A target aperture is chosen in two target apertures, using the target aperture chosen as the 3rd target aperture;
4th target aperture obtaining unit, the target for the air-inlet grille according to corresponding to default delivery temperature and speed are opened Degree, the 4th target aperture corresponding to acquisition current exhaust gas temperature and current vehicle speed;
Target aperture determining unit, for choosing maximum from the 3rd target aperture and the 4th target aperture, root The target aperture of air-inlet grille is determined according to the product of the maximum and unit angle chosen.
9. the control device of the air-inlet grille according to claim 7 or 8, it is characterised in that
Also include:Second Current Temperatures acquisition module, for during electricity or initial receiving that the motor sends on vehicle When changing request, the second Current Temperatures of coolant are obtained;First torque mode determining module, for working as according to the second of coolant Front temperature determines the torque mode of motor;Torque mode and initialization command sending module, the moment of torsion of the motor for determining Pattern and motor initialization command are sent to the motor;
Also include the second torque mode determining module, the second torque mode determining module is electric for determining according to current vehicle speed The torque mode of machine;When target aperture sending module sends the target aperture of the air-inlet grille for determining to the motor, it is additionally operable to The torque mode of the motor that the second torque mode determining module determines is sent to the motor;
The first torque mode determining module coolant the second Current Temperatures be more than or equal to the first threshold temperature when, it is determined that The torque mode of motor is low twisting die formula;It is warm more than or equal to second less than the first threshold temperature in the second Current Temperatures of coolant During bottom valve value, determine that the torque mode of motor is normal torque mode;Second temperature is less than in the second Current Temperatures of coolant When threshold values is more than or equal to three threshold temperatures, determine that the torque mode of motor is the first increasing twisting die formula;In coolant second is worked as Front temperature be less than three threshold temperatures when, determine motor torque mode be second increase twisting die formula, wherein according to moment of torsion from it is little to Big order is followed successively by low twisting die formula, normal torque mode, the first increasing twisting die formula and second and increases twisting die formula;
The second torque mode determining module determines the moment of torsion mould of motor when current vehicle speed is less than or equal to the first speed threshold values Formula is low twisting die formula;When current vehicle speed is less than or equal to the second speed threshold values more than the first speed threshold values, the moment of torsion of motor is determined Pattern is normal torque mode;When current vehicle speed is less than or equal to the 3rd speed threshold values more than the second speed threshold values, motor is determined Torque mode be first increase twisting die formula;It is more than the 3rd speed threshold values in current vehicle speed, determines that the torque mode of motor is second Increase twisting die formula.
10. a kind of engine management system, it is characterised in that including the air-inlet grille described in claim 9 to 11 any one Control device.
CN201610957858.6A 2016-10-27 2016-10-27 Control method, device and the engine management system of air-inlet grille Active CN106515428B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201792736U (en) * 2010-09-21 2011-04-13 上海通用汽车有限公司 Automatic opening regulating device for air-inlet grille at front end of vehicle
EP2371602A1 (en) * 2010-03-19 2011-10-05 Aisin Seiki Kabushiki Kaisha Movable grille shutter for vehicle
US20130213323A1 (en) * 2012-02-16 2013-08-22 Hyundai Motor Japan R&D Center Inc. Idle time control system
CN103321736A (en) * 2013-06-07 2013-09-25 浙江吉利汽车研究院有限公司杭州分公司 Opening degree adjusting method and system for front grille and engine cooling system using opening degree adjusting system
CN104325878A (en) * 2014-10-28 2015-02-04 浙江吉利汽车研究院有限公司 Automatic adjustment control device and method of automobile air inlet grille
CN104972894A (en) * 2014-04-01 2015-10-14 上海汽车集团股份有限公司 Grating control method and device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2371602A1 (en) * 2010-03-19 2011-10-05 Aisin Seiki Kabushiki Kaisha Movable grille shutter for vehicle
CN201792736U (en) * 2010-09-21 2011-04-13 上海通用汽车有限公司 Automatic opening regulating device for air-inlet grille at front end of vehicle
US20130213323A1 (en) * 2012-02-16 2013-08-22 Hyundai Motor Japan R&D Center Inc. Idle time control system
CN103321736A (en) * 2013-06-07 2013-09-25 浙江吉利汽车研究院有限公司杭州分公司 Opening degree adjusting method and system for front grille and engine cooling system using opening degree adjusting system
CN104972894A (en) * 2014-04-01 2015-10-14 上海汽车集团股份有限公司 Grating control method and device
CN104325878A (en) * 2014-10-28 2015-02-04 浙江吉利汽车研究院有限公司 Automatic adjustment control device and method of automobile air inlet grille

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107120170A (en) * 2017-06-09 2017-09-01 同济大学 A kind of fan guard and its control method for cooling module of engine
CN107650826A (en) * 2017-09-13 2018-02-02 上海汽车集团股份有限公司 The underbody backplate and control method of integrated gate-controlled switch structure
CN110539629A (en) * 2018-05-28 2019-12-06 长城汽车股份有限公司 Control method and control system for air inlet grille of electric vehicle and electric vehicle
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CN110228361A (en) * 2018-12-12 2019-09-13 蔚来汽车有限公司 The control method and device of air-inlet grille, vehicle, controller and medium
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CN111219242B (en) * 2020-01-21 2020-12-25 常熟理工学院 Device for supercharging automobile engine by utilizing intake air internal circulation air and control method
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